221235714

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{1755839}}^1$

素因数の和:1755854

約数の個数: 24

約数和(自身を含む): 547822080

約数和(自身を除く): 326586366

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 1755839, 3511678, 5267517, 10535034, 12290873, 15802551, 24581746, 31605102, 36872619, 73745238, 110617857, 221235714]

約数ペア:

[(1, 221235714), (2, 110617857), (3, 73745238), (6, 36872619), (7, 31605102), (9, 24581746), (14, 15802551), (18, 12290873), (21, 10535034), (42, 5267517), (63, 3511678), (126, 1755839)]